Exhaust pipe



FIG. 1 is a perspective view of the exhaust pipe;

FIG. 2 is a top view of the exhaust pipe;

FIG. 3 is a bottom view of the exhaust pipe;

FIG. 4 is a front elevation view of the exhaust pipe;

FIG. 5 is a rear elevation view of the exhaust pipe;

FIG. 6 is a first side view of the exhaust pipe; and,

FIG. 7 is a second side view of the exhaust pipe. 

I claim the ornamental design for an exhaust pipe, as shown and described. 